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2026-03-12 - 08:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Mar 12, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14215213053,8sleep10-21swapper/119:09:121
14274212864,6sleep20-21swapper/219:09:572
8937212263,7sleep00-21swapper/019:05:060
140362113103,7sleep30-21swapper/319:06:543
231512700,1sleep123155-21aten2_r5power_p23:05:111
162572650,2sleep30-21swapper/321:00:183
206012620,1sleep229-21rcuc/220:10:162
270212600,0sleep20-21swapper/219:15:212
13962570,0sleep30-21swapper/320:20:173
1445399351,32cyclictest0-21swapper/219:10:112
14453992713,13cyclictest0-21swapper/220:35:112
1444499270,26cyclictest0-21swapper/021:25:100
1444499270,26cyclictest0-21swapper/021:18:160
1445399260,25cyclictest0-21swapper/220:30:152
1445399260,25cyclictest0-21swapper/200:31:092
1445399250,24cyclictest0-21swapper/200:02:592
14448992521,3cyclictest0-21swapper/100:28:181
14453992420,3cyclictest0-21swapper/221:53:292
14453992415,8cyclictest0-21swapper/223:56:282
14453992320,2cyclictest0-21swapper/222:23:112
1445399220,21cyclictest0-21swapper/219:44:002
1445399220,21cyclictest0-21swapper/219:28:512
14448992220,2cyclictest0-21swapper/122:06:061
14444992218,2cyclictest5620-21sadc20:55:010
14453992118,2cyclictest749-21snmpd22:08:022
14453992118,2cyclictest749-21snmpd19:47:222
14453992118,2cyclictest0-21swapper/221:31:272
14453992117,3cyclictest749-21snmpd20:08:392
1445399210,3cyclictest0-21swapper/200:38:102
1445399210,3cyclictest0-21swapper/200:16:242
1445399210,20cyclictest0-21swapper/221:19:252
1445399210,20cyclictest0-21swapper/221:13:062
1444899212,18cyclictest0-21swapper/120:15:211
14448992119,2cyclictest0-21swapper/123:37:501
14448992119,2cyclictest0-21swapper/123:12:171
14448992119,2cyclictest0-21swapper/120:40:211
14444992118,2cyclictest749-21snmpd23:50:140
14444992118,2cyclictest749-21snmpd19:48:360
14444992118,2cyclictest749-21snmpd19:15:270
1444499210,20cyclictest0-21swapper/023:20:140
1444499210,19cyclictest20458-21turbostat22:05:010
14453992018,1cyclictest749-21snmpd23:38:202
14453992018,1cyclictest749-21snmpd23:02:502
14453992018,1cyclictest749-21snmpd22:55:292
14453992018,1cyclictest749-21snmpd22:51:532
14453992018,1cyclictest749-21snmpd22:30:232
14453992018,1cyclictest749-21snmpd20:22:062
14453992018,1cyclictest749-21snmpd19:37:222
14453992018,1cyclictest749-21snmpd19:32:462
14453992018,1cyclictest749-21snmpd00:05:472
14453992018,1cyclictest27948-21cat20:45:152
14453992017,2cyclictest749-21snmpd20:51:312
14453992017,2cyclictest749-21snmpd20:16:362
1445399200,20cyclictest0-21swapper/219:21:582
1445399200,19cyclictest0-21swapper/223:47:582
1445399200,15cyclictest0-21swapper/220:04:042
14448992018,2cyclictest0-21swapper/121:51:201
14448992018,2cyclictest0-21swapper/121:04:341
14448992018,2cyclictest0-21swapper/119:30:581
14448992018,1cyclictest749-21snmpd21:10:031
14448992017,3cyclictest0-21swapper/122:22:261
14448992017,3cyclictest0-21swapper/100:01:111
14448992016,3cyclictest0-21swapper/119:25:121
1444499203,13cyclictest0-21swapper/021:40:220
14444992018,1cyclictest749-21snmpd23:40:560
14444992018,1cyclictest749-21snmpd23:11:110
14444992018,1cyclictest749-21snmpd23:02:560
14444992018,1cyclictest749-21snmpd22:55:500
14444992018,1cyclictest749-21snmpd22:45:380
14444992018,1cyclictest749-21snmpd22:41:020
14444992018,1cyclictest749-21snmpd20:48:310
14444992018,1cyclictest749-21snmpd20:26:510
14444992018,1cyclictest749-21snmpd20:21:490
14444992018,1cyclictest749-21snmpd20:06:250
14444992018,1cyclictest749-21snmpd19:12:430
14444992018,1cyclictest749-21snmpd00:32:250
14444992018,1cyclictest749-21snmpd00:07:420
14444992017,2cyclictest749-21snmpd20:57:210
14444992016,2cyclictest31638-21sadc22:15:000
14444992015,2cyclictest752-21lldpd21:46:060
321112199,3sleep30-21swapper/320:45:533
1445399195,8cyclictest19392-21/usr/sbin/munin21:35:212
14453991918,0cyclictest749-21snmpd22:40:112
14453991917,2cyclictest0-21swapper/221:26:282
14453991917,1cyclictest749-21snmpd23:51:352
14453991917,1cyclictest749-21snmpd23:42:322
14453991917,1cyclictest749-21snmpd23:34:472
14453991917,1cyclictest749-21snmpd23:15:172
14453991917,1cyclictest749-21snmpd21:24:102
14453991917,1cyclictest749-21snmpd21:24:092
14453991917,1cyclictest749-21snmpd20:42:552
14453991917,1cyclictest749-21snmpd19:52:122
14453991916,3cyclictest0-21swapper/220:59:342
14453991916,2cyclictest749-21snmpd22:27:072
14453991916,2cyclictest749-21snmpd21:03:242
1445399191,18cyclictest0-21swapper/221:08:082
1445399191,17cyclictest0-21swapper/221:41:142
1445399191,17cyclictest0-21swapper/200:20:102
1445399190,18cyclictest0-21swapper/223:20:262
14448991917,2cyclictest0-21swapper/123:59:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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